Biology Rocks!

123456789101112
Across
  1. 3. it lights up the earth during the day
  2. 6. can not be replaced in a short time period
  3. 9. the group of organisms that is responsible for running the nitrogen cycle
  4. 10. can be replaced in our lifetime
  5. 11. soil still intact, regrows much faster
Down
  1. 1. depends on the number of individuals
  2. 2. the round thing that's in the sky at night
  3. 4. does not depend in how many individuals there are
  4. 5. day to day conditions
  5. 7. the study of life
  6. 8. the study of earth
  7. 12. long term pattern of weather conditions